Mold temperature control unit

ABSTRACT

A mold temperature control unit with which piping connection for supply and drain of cooling water in unit setup can be extremely simply made. In a mold temperature control unit  1  which unit body  2  comprises a plurality of cooling water systems performing supply and drain of cooling water to/from a plurality of elements to be cooled in a mold, a single cooling water supply port  11  and a single cooling water drain port  12  for said plurality of cooling water systems are disposed on the outer panel of the unit body  2.

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The present invention relates to a mold temperature control unit, particularly, to a mold temperature control unit with which it is intended to simplify the piping connection of the cooling water supply port and the cooling water drain port for supply and drain of cooling water to/from the plurality of elements to be cooled in the mold, i.e., the cavity side part, the force side part, the sprue, and the punch.

[0003] 2. Prior Art

[0004] Conventionally, with a mold temperature control unit which unit body comprises a plurality of cooling water systems performing supply and drain of cooling water to/from the plurality of elements to be cooled in the mold, i.e., the cavity side part, the force side part, the sprue, and the punch, respectively, four temperature controlling means constituting the four cooling water systems, for example, are provided in the unit body.

[0005] To the four cooling water supply ports provided on the rear panel of the unit body, for example, is supplied cooling water, respectively, and from the respective cooling water supply ports to the cavity side part, the force side part, the sprue, and the punch is fed the temperature controlled cooling water through the four temperature controlling means.

[0006] Further, the cooling water which has been circulated through the cavity side part, the force side part, the sprue, and the punch, i.e., the cooling drain water is guided to the four cooling water drain ports provided on the rear panel of the unit body, for example, and is drained to the external.

[0007] However, with the conventional mold temperature control unit as configured above, four cooling water supply ports and four cooling water drain ports are provided on the rear panel of the unit body, for example, thus, to operate such conventional mold temperature control unit, it is required to connect a cooling water supply pipe to the respective four cooling water supply ports and connect a cooling water drain pipe to the respective four cooling water drain ports in a plant, which presents a problem of that piping connection in the setup of the mold temperature control unit is complicated.

SUMMARY OF THE INVENTION

[0008] The present invention has been developed in consideration of the above-stated situation, and the purpose of it is to provide a mold temperature control unit with which piping connection for supply and drain of cooling water in the unit setup can be performed extremely simply.

[0009] To solve the above-stated problem, the invention as stated in claim 1 provides a mold temperature control unit which unit body comprises a plurality of cooling water systems performing supply and drain of cooling water to/from a plurality of elements to be cooled in a mold, wherein a single cooling water supply port and a single cooling water drain port for said plurality of cooling water systems are disposed on the outer panel of the unit body.

[0010] The invention as stated in claim 2 provides a mold temperature control unit which unit body comprises a plurality of cooling water systems performing supply and drain of cooling water to/from a plurality of elements to be cooled in a mold, comprising: a single cooling water supply port and a single cooling water drain port for said plurality of cooling water systems which are disposed on the outer panel of the unit body; a distribution conduit provided in the unit body which distributes cooling water supplied from the single cooling water supply port to the plurality of elements to be cooled; and a collection conduit provided in the unit body which collects cooling water passed through the plurality of elements to be cooled, and feeds it to the single cooling water drain port.

[0011] According to the invention as stated in claim 1 or 2, a single cooling water supply port and a single cooling water drain port for a plurality of cooling water systems are provided on the outer panel of the unit body, therefore, in a plant and the like, this mold temperature control unit can be made ready to operate simply by connecting the cooling water supply pipe to the cooling water supply port and connecting the cooling water drain pipe to the cooling water drain port, thus piping connection for supply and drain of cooling water in the unit setup being extremely simplified.

[0012] The invention as stated in claim 3 provides a mold temperature control unit as claimed in claim 1 or 2, wherein said plurality of cooling water systems performs supply and drain cooling water to/from a cavity side part, a force side part, a sprue, and a punch, respectively, which are the elements to be cooled in the mold.

[0013] According to this invention, piping connection for supply and drain of cooling water can be performed extremely simply in the setup of the unit body which is connected to the mold comprising a cavity side part, a force side part, a sprue, and a punch.

[0014] The invention as stated in claim 4 provides a mold temperature control unit as claimed in any one of the claims 1 to 3, wherein said elements to be cooled in the mold are two or more sets of cavity side part and force side part, a sprue, and a punch.

[0015] According to this invention, piping connection for supply and drain of cooling water can be performed extremely simply in the setup of the unit body which is connected to the mold comprising two or more sets of cavity side part and force side part, a sprue, and a punch, i.e., the six or more elements to be cooled.

BRIEF DESCRIPTION OF THE DRAWINGS

[0016]FIG. 1 is a front view of the mold temperature control unit according to the embodiment 1 of the present invention;

[0017]FIG. 2 is a side view of the mold temperature control unit according to the embodiment 1 of the present invention;

[0018]FIG. 3 is a rear view of the mold temperature control unit according to the embodiment 1 of the present invention;

[0019]FIG. 4 is a schematic piping system diagram of the mold temperature control unit according to the embodiment 1 of the present invention;

[0020]FIG. 5 is a specific piping system diagram for the mold temperature control unit according to the embodiment 1 of the present invention; and

[0021]FIG. 6 is a specific piping system diagram for the mold temperature control unit according to the embodiment 2 of the present invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] Hereinbelow, mold temperature control units according to the embodiments of the present invention will be specifically described.

[0023] (Embodiment 1)

[0024] A mold temperature control unit according to the embodiment 1 of the present invention will be described with reference to FIG. 1 to FIG. 5.

[0025]FIG. 1 is a front view of the mold temperature control unit according to the embodiment 1, FIG. 2 a side view of the mold temperature control unit according to the embodiment 1, FIG. 3 a rear view of the mold temperature control unit according to the embodiment 1, FIG. 4 a schematic piping system diagram of the mold temperature control unit according to the embodiment 1, and FIG. 5 a specific piping system diagram for the mold temperature control unit according to the embodiment 1.

[0026] The mold temperature control unit 1 according to the embodiment 1 comprises a box-like unit body 2, and this unit body 2 is equipped with casters 3 for moving it on the floor, and fixing tools 4 for fixing it on the floor at the bottom.

[0027] On the front of said unit body 2 are disposed a quadruplet, for example, of controllers constituting temperature controlling means 5A to 5D (see FIG. 4) in the cooling water systems for supplying and draining of cooling water to/from the elements to be cooled in the mold, i.e., the cavity side part, the force side part, the sprue, and the punch.

[0028] Said quadruplet of controllers comprises a cavity side part temperature controller 6 a, a force side part temperature controller 6 b, a sprue temperature controller 6 c, and a punch temperature controller 6 d, as shown in FIG. 4.

[0029] On the front of the unit body 2 are disposed four pressure gages 7 a to 7 d for said quadruplet, for example, of controllers.

[0030] Further, a supply water pressure gauge 7 f is provided adjacently to the quadruplet of controllers.

[0031] Next, with reference to FIG. 3, the constitution of the rear panel of said unit body 2 will be described.

[0032] In the nearly central portion of the rear panel of said unit body 2, a single cooling water supply port 11 and a single cooling water drain port 12 for the plurality of cooling water systems are disposed in a juxtaposition layout.

[0033] In the rear panel of the unit body 2, a purge air connection port 13 is provided under the cooling water supply port 11.

[0034] Further, in the lower area of the rear panel of the unit body 2 are provided a supply port 14 a (equipped with a stop valve) for cooling water supplied to the cavity side part (not shown) of the mold, a return port 14 b (equipped with a stop valve) for cooling water returned from the cavity side part, a supply port 15 a (equipped with a stop valve) for cooling water supplied to the force side part (not shown) of the mold, and a return port 15 b (equipped with a stop valve) for cooling water returned from the force side part of the mold.

[0035] In the upper area of the rear panel of said unit body 2 are provided a supply port 16 a (equipped with a stop valve) for cooling water supplied to the sprue (not shown) in the molds a return port 16 b (equipped with a stop valve) for cooling water returned from the sprue, a supply port 17 a (equipped with a stop valve) for cooling water supplied to the punch (not shown) in the mold, and a return port 17 b (equipped with a stop valve) for cooling water returned from the punch.

[0036]FIG. 2 shows the above-mentioned single cooling water supply port 11, supply port 14 a, return port 14 b, and the like when viewed from the side of the unit body 2.

[0037] Next, the entire piping system for the mold temperature control unit according to the embodiment 1 will be described with reference to FIG. 4 and FIG. 5.

[0038] With said unit body 2, the cooling water supplied from the single cooling water supply port 11 is fed to a distribution conduit 31 through a filter 21, a pressure reducing valve 22, and a stop valve 23, and is divided into four flows with the distribution conduit 31 to be supplied to the temperature controlling means 5A to 5D (see FIG. 4) in the cooling water systems, respectively.

[0039] On the inlet side of the distribution conduit 31, purge air is supplied from said purge air connection port 13 through stop valves 25 and 26.

[0040] To said distribution conduit 31 are connected a pressure switch 27 and said supply water pressure gauge 7 f.

[0041] On the other hand, four flows of cooling water (cooling drain) drained from said temperature controlling means 5A to 5D are collected with a collection conduit 32 to be fed to said single cooling water drain port 12.

[0042] As shown in FIG. 5, said temperature controlling means 5A has a pump 41 which sucks the cooling water from the distribution conduit 31 and feeds it under pressure; and a heater unit 42 which controllably heats the cooling water from the pump 41 to the desired temperature, the cooling water which temperature has been controlled by the heater unit 42 being fed to the cavity side part through said supply port 14 a.

[0043] To said heater unit 42 is connected a relief valve 43, and on the outlet side of the heater unit 42, said pressure gage 7 a is connected.

[0044] On the other hand, the cooling water (cooling drain) returned from the return port 14 b to the temperature controlling means 5A after being circulated through the cavity side part is fed to said collection conduit 32 through a solenoid valve 44.

[0045] With the embodiment 1, a stop valve 45 and a thermocouple 46 are provided in the pipe line connecting between the pipe line for the returned cooling water (cooling drain) and the suction side of the said pump 41.

[0046] In the pipe line connecting between said supply port 14 a and said return port 14 b, a stop valve 47 is provided.

[0047] Said temperature controlling means 5B, 5C, and 5D are also constituted in the same manner as said temperature controlling means 5A, respectively.

[0048] According to the mold temperature control unit 1 in the embodiment 1 as configured above, the single cooling water supply port 11 and the single cooling water drain port 12 are provided on the rear panel of said unit body 2, thus, in a plant and the like, this mold temperature control unit 1 can be made ready to operate simply by connecting the cooling water supply pipe to the cooling water supply port 11 and connecting the cooling water drain pipe to the cooling water drain port 12, thus piping connection for supply and drain of cooling water in the unit setup being extremely simplified.

[0049] (Embodiment 2)

[0050] Next, the embodiment 2 of the present invention will be described with reference to FIG. 6.

[0051] For the mold temperature control unit 1A of the embodiment 2 as shown in FIG. 6, the same elements as those of the mold temperature control unit 1 of the embodiment 1 as shown in FIG. 5 are provided with the same reference Nos., and detailed description of them will be omitted.

[0052] With the mold temperature control unit 1A of the embodiment 2, one set of cavity side part and force side part is added to the configuration of the mold temperature control unit 1 of the embodiment 1, and for the total six elements to be cooled in the mold, six, for example, water cooling systems are provided, however, with the present invention, the mold may be configured so as to have two or more sets of cavity side part and force side part, and total six or more elements to be cooled.

[0053] In such a case, in addition to the temperature controlling means 5A to 5D, temperature controlling means 5A′ and 5B′ having the same configuration are added with a stop valve 51 being provided in the total six, for example, pipe lines from the respective solenoid valves 44 to the collection conduit 32.

[0054] Except this, the mold temperature control unit 1A of the embodiment 2 is configured in the same way as the mold temperature control unit 1 of the embodiment 1.

[0055] As with the embodiment 1, the mold temperature control unit 1A of the embodiment 2, which has six cooling water systems in total, can be made ready to function only by performing a simple connection operation, thus piping connection for supply and drain of cooling water in the unit setup being extremely simplified.

[0056] The present invention can provide a mold temperature control unit wherein a single cooling water supply port and a single cooling water drain port for the plurality of cooling water systems are disposed on the outer panel of the unit body, therefore, in a plant and the like, piping connection for supply and drain of cooling water in the unit setup can be performed extremely simply, and thus the mold can be rapidly made ready to be used. 

What is claimed is:
 1. A mold temperature control unit which unit body comprises a plurality of cooling water systems performing supply and drain of cooling water to/from a plurality of elements to be cooled in a mold, wherein a single cooling water supply port and a single cooling water drain port for said plurality of cooling water systems are disposed on the outer panel of the unit body.
 2. A mold temperature control unit which unit body comprises a plurality of cooling water systems performing supply and drain of cooling water to/from a plurality of elements to be cooled in a mold, comprising: a single cooling water supply port and a single cooling water drain port for said plurality of cooling water systems which are disposed on the outer panel of the unit body; a distribution conduit provided in the unit body which distributes cooling water supplied from the single cooling water supply port to the plurality of elements to be cooled; and a collection conduit provided in the unit body which collects cooling water passed through the plurality of elements to be cooled, and feeds it to the single cooling water drain port.
 3. A mold temperature control unit as claimed in claim 1 or 2, wherein said plurality of cooling water systems perform supply and drain cooling water to/from a cavity side part, a force side part, a sprue, and a punch, respectively, which are the elements to be cooled in the mold.
 4. A mold temperature control unit as claimed in any one of the claims 1 to 3, wherein said elements to be cooled in the mold are two or more sets of cavity side part and force side part, a sprue, and a punch. 